diff --git a/Source/Project64-core/N64System/Mips/Dma.cpp b/Source/Project64-core/N64System/Mips/Dma.cpp
index 50922c825..4efd3bcb2 100644
--- a/Source/Project64-core/N64System/Mips/Dma.cpp
+++ b/Source/Project64-core/N64System/Mips/Dma.cpp
@@ -38,6 +38,7 @@ void CDMA::OnFirstDMA()
     case CIC_NUS_5167:  offset = +0x0318; break;
     case CIC_NUS_8303:  offset = +0x0318; break;
     case CIC_NUS_DDUS:  offset = +0x0318; break;
+    case CIC_NUS_DDTL:  offset = +0x0318; break;
     case CIC_UNKNOWN:
     case CIC_NUS_6102:  offset = +0x0318; break;
     case CIC_NUS_6103:  offset = +0x0318; break;
diff --git a/Source/Project64-core/N64System/N64Class.cpp b/Source/Project64-core/N64System/N64Class.cpp
index 814d9cab7..7831d0ef8 100644
--- a/Source/Project64-core/N64System/N64Class.cpp
+++ b/Source/Project64-core/N64System/N64Class.cpp
@@ -903,6 +903,8 @@ void CN64System::InitRegisters(bool bPostPif, CMipsMemoryVM & MMU)
     //64DD Registers
     m_Reg.ASIC_STATUS = DD_STATUS_RST_STATE;
     m_Reg.ASIC_ID_REG = 0x00030000;
+    if (g_DDRom && g_DDRom->CicChipID() == CIC_NUS_DDTL)
+        m_Reg.ASIC_ID_REG = 0x00040000;
 
     //m_Reg.REVISION_REGISTER   = 0x00000511;
     m_Reg.FixFpuLocations();
@@ -989,6 +991,7 @@ void CN64System::InitRegisters(bool bPostPif, CMipsMemoryVM & MMU)
             case CIC_NUS_5167:
             case CIC_NUS_8303:
             case CIC_NUS_DDUS:
+            case CIC_NUS_DDTL:
             default:
                 //no specific values
                 break;
@@ -1005,6 +1008,7 @@ void CN64System::InitRegisters(bool bPostPif, CMipsMemoryVM & MMU)
             m_Reg.m_GPR[22].DW = 0x000000000000003F;
             break;
         case CIC_NUS_8303:        //64DD IPL CIC
+        case CIC_NUS_DDTL:        //64DD IPL TOOL CIC
         case CIC_NUS_5167:        //64DD CONVERSION CIC
             m_Reg.m_GPR[22].DW = 0x00000000000000DD;
             break;
diff --git a/Source/Project64-core/N64System/N64RomClass.cpp b/Source/Project64-core/N64System/N64RomClass.cpp
index 867db420b..c573a9c78 100644
--- a/Source/Project64-core/N64System/N64RomClass.cpp
+++ b/Source/Project64-core/N64System/N64RomClass.cpp
@@ -289,7 +289,7 @@ CICChip CN64Rom::GetCicChipID(uint8_t * RomData, uint64_t * CRC)
     case 0x000000D6D5BE5580: return CIC_NUS_6106;
     case 0x000001053BC19870: return CIC_NUS_5167; //64DD CONVERSION CIC
     case 0x000000D2E53EF008: return CIC_NUS_8303; //64DD IPL
-    case 0x000000D2E53EF39F: return CIC_NUS_8303; //64DD IPL TOOL
+    case 0x000000D2E53EF39F: return CIC_NUS_DDTL; //64DD IPL TOOL
     case 0x000000D2E53E5DDA: return CIC_NUS_DDUS; //64DD IPL US (different CIC)
     default:
         return CIC_UNKNOWN;
@@ -422,6 +422,7 @@ bool CN64Rom::IsLoadedRomDDIPL()
     {
         case CIC_NUS_8303:
         case CIC_NUS_DDUS:
+        case CIC_NUS_DDTL:
             return true;
         default:
             return false;
diff --git a/Source/Project64-core/N64System/N64Types.h b/Source/Project64-core/N64System/N64Types.h
index 204c9adab..f06d1f865 100644
--- a/Source/Project64-core/N64System/N64Types.h
+++ b/Source/Project64-core/N64System/N64Types.h
@@ -67,7 +67,7 @@ enum CICChip
 {
     CIC_UNKNOWN = -1, CIC_NUS_6101 = 1, CIC_NUS_6102 = 2, CIC_NUS_6103 = 3,
     CIC_NUS_6104 = 4, CIC_NUS_6105 = 5, CIC_NUS_6106 = 6, CIC_NUS_5167 = 7,
-    CIC_NUS_8303 = 8, CIC_NUS_DDUS = 9
+    CIC_NUS_8303 = 8, CIC_NUS_DDUS = 9, CIC_NUS_DDTL = 10
 };
 
 enum Country